PROCESS AND APPARATUS FOR SEPARATING CO2 FROM A FEED STREAM CONTAINING CO2, AT LEAST ONE LIGHTER COMPONENT AND AT LEAST ONE HEAVIER COMPONENT
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Sep 11, 2024
filing date -
Sep 11, 2024
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Abstract
A process for separating CO2 from a feed stream containing at least CO2 and at least one lighter component chosen among oxygen, nitrogen, argon, methane, CO and hydrogen and at least one component heavier than CO2, comprises cooling the feed stream in a heat exchanger (E1) to a temperature less than 30° C., separation of the cooled feed stream producing a first liquid enriched in CO2 and a first gas depleted in CO2, expanding at least part of the first liquid, producing a second liquid, vaporizing the second liquid in the heat exchanger (E1) producing a second gas, sending the compressed cooled second gas to the bottom of a scrubber column (K2) and removing a top gas of the scrubber column depleted in the at least one heavier component.
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